luminantadj.n.
/ˈl(j)uːmɪnənt/ A. adj.
Illuminating, luminous.
ΘΚΠ
the world > matter > light > illumination > [adjective] > that illuminates
illuminating1632
illuminative1644
luminating1746
luminarious1773
luminant1891
the mind > mental capacity > intelligibility > meaning > explanation, exposition > [adjective]
explanativea1500
expositive1535
resolutory1567
interpretative1569
expounding1571
illustrating1589
explanatory1600
explicative1602
explicatory1606
expository1628
clarifying1630
illustrative1643
luciferous1648
omnilucent1651
explaining?1683
illustratorya1734
elucidatory1774
elucidative1822
irradiativea1834
expositional1845
resolvent1856
enucleating1862
expositionary1882
luminant1891
interpreting1892
clarificatory1945
FYI1973
1891 M. M. Dowie Girl in Karpathians xviii. 237 There would be three more hours of light..before the luminant star-freaked dark.
1893 Black & White 22 July 100/2 His discussion is luminant only in flashes.
B. n.
An illuminant.
ΘΚΠ
the world > matter > light > illumination > [noun] > one who or that which illuminates
lightc1325
alumerea1350
lanternc1374
lightenera1382
light-givera1382
light-makera1425
illuminera1500
illuminator1598
illuminant1644
emblazer1776
luminant18..
the world > matter > light > artificial light > an artificial light > [noun]
lightOE
luminary1484
lumination1654
luminant18..
illuminant1874
18.. Electr. Rev. (U.S.) XXIV. 334 Public institutions and factories are very much in favour of the new luminant.
1884 Daily News 3 Sept. 3/5 The different luminants—gas, oil, and electricity—which are being experimented with.
This entry has not yet been fully updated (first published 1903; most recently modified version published online March 2018).
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adj.n.18..